Function guile_sys::__gmpz_export

pub unsafe extern "C" fn __gmpz_export(
    arg1: *mut c_void, 
    arg2: *mut usize, 
    arg3: c_int, 
    arg4: usize, 
    arg5: c_int, 
    arg6: usize, 
    arg7: mpz_srcptr
) -> *mut c_void